CN101451785B - Double-layer main cooling and air separating device - Google Patents
Double-layer main cooling and air separating device Download PDFInfo
- Publication number
- CN101451785B CN101451785B CN2008102315655A CN200810231565A CN101451785B CN 101451785 B CN101451785 B CN 101451785B CN 2008102315655 A CN2008102315655 A CN 2008102315655A CN 200810231565 A CN200810231565 A CN 200810231565A CN 101451785 B CN101451785 B CN 101451785B
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- housing
- shell
- connecting rod
- upper strata
- double
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Abstract
The invention discloses a double-layer main-cooling air separation unit, comprising a hallow shell, and a floating ball fluid level controller; wherein a clapboard is arranged at the middle of the shell to divide the shell into an upper and a lower layers and is provided with an overflow orifice, with an upper main-cooling device arranged in the upper layer of the shell, and a lower main-cooling device arranged in the lower layer of the shell; the floating ball fluid level controller comprises a floating ball on the upper layer of the shell, with a connecting link fixedly connected at the downside of the floating ball, passing through the overflow orifice, and provided with a sealing surface matched with the overflow orifice. In temporary stoppage, if the liquid level in the upper layer of the shell is more than the distance between the floating ball and the sealing surface of the connecting link, the floating ball drives the sealing surface to ascend so as to block the overflow orifice and prevent the liquid in the upper layer of the shell from flowing into the lower layer of shell; and large amount of liquid oxygen needs not to be discharged for staring the air separation unit again, which is convenient for the re-starting of the air separation unit, reduces coldness loss, increases the operation stability of the air separation unit and has obvious economic benefit.
Description
Technical field
The present invention relates to a kind of double-layer main cooling and air separating device.
Background technology
Along with the maximization of air separation plant, the structure of the main condenser evaporimeter about connecting between the tower is also more and more huger.Owing to be subjected to the influence of heat transfer temperature difference, main cold height promptly is subjected to certain restriction, and main cold diameter is too big, can cause the increase of cold insulated cabinet again, i.e. the rising of cost of investment, and economy descends.Double-layer main cooling has been born on this basis.Double-layer main cooling has solved the problems referred to above well, has also promoted the fast development of large air separation plant.But, double-layer main cooling also has a fatal weakness, and that is exactly when temporary parking, and the cold liquid of upper strata master can to flow to the master of lower floor cold by connecting the spout hole of levels master between cold.Owing to there is not control device, supernatant liquid flows into lower floor always, and the cold liquid level of the master of lower floor is raise always, and is last and the upper strata master is cold is connected as a single entity.Therefore, when restart facility,, cause the master of lower floor cold drawing formula heat transfer temperature difference too little because the cold liquid oxygen liquid level of the master of lower floor is too high, can't operate as normal, normally startup after must draining liquid oxygen in a large number earlier, cold damage is bigger in the time of very inconvenient.There is not when temporary parking, to avoid the double-layer main cooling and air separating device of a large amount of influents of lower floor's housing in the market.
Summary of the invention
The object of the present invention is to provide a kind of double-layer main cooling and air separating device that can when temporary parking, avoid liquid in the housing of upper strata to flow into lower floor's housing in a large number.
For achieving the above object, double-layer main cooling and air separating device of the present invention comprises hollow housing, the housing middle part is provided with dividing plate, dividing plate is divided into housing two-layer up and down, be provided with upper strata master's cool equipment in the housing of upper strata, be provided with the master of lower floor cool equipment in lower floor's housing, also be provided with spout hole on the dividing plate, this air separation unit also includes ball float level controller, ball float level controller comprises the ball float that is located at the housing upper strata, the ball float lower end is fixed with connecting rod, and the connecting rod that connecting rod passes spout hole and spout hole below is provided with the sealing surface that is complementary with spout hole.
Also be equipped with downspout on the described dividing plate, the downspout upper end open on the housing upper strata and the difference in height of this opening and dividing plate greater than the spacing of ball float and connecting rod sealing surface; The downspout lower ending opening is in housing lower floor.
Also be fixed with guide post on the housing of upper strata, guide post and connecting rod are slidingly matched.
The sealing surface of described connecting rod is taper, and this conical seal (contact) face is located at the lower end of connecting rod.
The present invention has following advantage:
1. ball float level controller is arranged so that when hesitation occurring; if the liquid level in the housing of upper strata is greater than the spacing of ball float and connecting rod sealing surface; then ball float drives the sealing surface rising; thereby spout hole is blocked; and then avoided the liquid in the housing of upper strata to flow to lower floor's housing in a large number, and need not discharge liquid oxygen in a large number when starting shooting again, what made things convenient for air separation plant restarts, has reduced cold damage; strengthened operation stability of equipment, economic benefit is obvious.
2. the setting of downspout makes when housing interior liquid level in upper strata is higher than downspout upper end height, can flow into lower floor's housing by downspout, has avoided housing interior liquid level in upper strata too high.
3. being provided with of guide post played guiding and spacing effect to connecting rod.
4. sealing surface is located at the lower end of connecting rod, and the length of connecting rod is minimized, and makes things convenient for the making and the use of connecting rod.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 1, double-layer main cooling and air separating device of the present invention comprises hollow housing 1, housing 1 middle part is provided with dividing plate 2, dividing plate 2 is divided into housing 1 two-layer up and down, be provided with upper strata master's cool equipment 9 in the housing 1A of upper strata, be provided with the master of lower floor cool equipment 10 in the housing 1B of lower floor, also be provided with spout hole 3 on the dividing plate 2, this air separation unit also includes ball float level controller, ball float level controller comprises the ball float 4 that is located at housing 1 upper strata, ball float 4 lower ends are fixed with connecting rod 5, and connecting rod 5 passes spout hole 3 and connecting rod 5 lower ends are provided with the sealing cone 6 that is complementary with spout hole 3.Also be equipped with downspout 7 on the dividing plate 2, downspout 7 upper end open on housing 1 upper strata and the difference in height of this opening and dividing plate 2 greater than ball float 4 spacing with sealing cone 6; Downspout 7 lower ending openings are in housing 1 lower floor.Also be fixed with guide post 8 on the housing 1A of upper strata, guide post 8 is slidingly matched with connecting rod 5.Wherein, the length of connecting rod 5 and downspout 7 can be fixed, and also can be adjustable.
When temporary parking occurring, if the liquid level in the housing 1A of upper strata is less than the spacing of ball float 4 to sealing cone 6, illustrate that then upper strata housing 1A hydrops is less, this moment, the height of ball float 4 was not enough to sealing cone 6 is drawn high to spout hole 3 places, so the liquid oxygen in the housing 1A of upper strata flows into the housing 1B of lower floor by spout hole 3.When the liquid level in the housing 1A of upper strata greater than ball float 4 during to the spacing of sealing cone 6, ball float 4 pulling connecting rods 5 and sealing cone 6 rise, sealing cone 6 is with spout hole 3 sealings; At this moment, if the liquid level in the housing 1A of upper strata is lower than the height of downspout 7 upper ends, then the liquid oxygen in the upper strata housing 1A can't flow into lower floor, if the liquid level in the housing 1A of upper strata is higher than the height of downspout 7 upper ends, then constantly to flow into the liquid level of the housing 1B of lower floor in the housing 1A of upper strata by downspout 7 identical with the height of downspout 7 upper ends for the liquid oxygen in the upper strata housing 1A.
To sum up, during temporary parking, in the housing 1A of upper strata liquid oxygen more for a long time (liquid level is greater than the spacing of ball float 4 to sealing cone 6) spout hole 3 will close, liquid oxygen in the housing 1A of upper strata can only inject the housing 1B of lower floor by downspout 7, and liquid oxygen will stop to flow into the housing 1B of lower floor when highly identical with downspout 7 upper ends when the liquid oxygen height in the housing 1A of upper strata is reduced to, thereby prevent that the too much liquid oxygen of the interior inflow of the housing 1B of lower floor is directed at overslaugh and restarts air separation unit, and (liquid level is less than the spacing of ball float 4 to sealing cone 6) spout hole is often opened when hydrops is less in the housing 1A of upper strata, thereby make the liquid oxygen in the housing 1A of upper strata be flowed into the housing 1B of lower floor, the main cool equipment 10 in the housing 1B of lower floor is played the effect of precooling.
Certainly; the present invention includes but be not limited to present embodiment; as the volume of ball float 4, the diameter of spout hole 3 and the parameters such as diameter of connecting rod 5, can determine that specifically the conversion of this type of parameter all drops within protection scope of the present invention according to the architectural feature of main cool equipment 9,10 and housing 1.
Claims (4)
1. double-layer main cooling and air separating device, comprise hollow housing, the housing middle part is provided with dividing plate, dividing plate is divided into housing two-layer up and down, be provided with upper strata master's cool equipment in the housing of upper strata, be provided with the master of lower floor cool equipment in lower floor's housing, also be provided with spout hole on the dividing plate, it is characterized in that: also include ball float level controller, ball float level controller comprises the ball float that is located at the housing upper strata, the ball float lower end is fixed with connecting rod, and the connecting rod that connecting rod passes spout hole and spout hole below is provided with the sealing surface that is complementary with spout hole.
2. double-layer main cooling and air separating device according to claim 1 is characterized in that: on described dividing plate, also be equipped with downspout, the downspout upper end open on the housing upper strata and the difference in height of this opening and dividing plate greater than the spacing of ball float and connecting rod sealing surface; The downspout lower ending opening is in housing lower floor.
3. double-layer main cooling and air separating device according to claim 1 and 2 is characterized in that: also be fixed with guide post on the housing of upper strata, guide post and connecting rod are slidingly matched.
4. double-layer main cooling and air separating device according to claim 3 is characterized in that: the sealing surface of described connecting rod is taper, and this conical seal (contact) face is located at the lower end of connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102315655A CN101451785B (en) | 2008-12-30 | 2008-12-30 | Double-layer main cooling and air separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102315655A CN101451785B (en) | 2008-12-30 | 2008-12-30 | Double-layer main cooling and air separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451785A CN101451785A (en) | 2009-06-10 |
| CN101451785B true CN101451785B (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102315655A Expired - Fee Related CN101451785B (en) | 2008-12-30 | 2008-12-30 | Double-layer main cooling and air separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101451785B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042288A (en) * | 2019-12-30 | 2020-04-21 | 花王生态工程股份有限公司 | Park town road drainage structures |
| CN111520974A (en) * | 2020-05-25 | 2020-08-11 | 开封黄河空分集团有限公司 | Expansion air liquefier for full-low-pressure air separation equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087766U (en) * | 1991-01-02 | 1991-10-30 | 杭州制氧机厂 | Heat exchanger for miniature air separating equipment |
| DE19747615A1 (en) * | 1997-10-28 | 1998-03-26 | Linde Ag | Start-up procedure for an air separation plant |
| CN2433516Y (en) * | 2000-07-19 | 2001-06-06 | 西安交通大学 | Double-boiling-type condensing evaporimeter |
| CN201335587Y (en) * | 2008-12-30 | 2009-10-28 | 开封黄河空分集团有限公司 | Double-layer main-condensing air separation device |
-
2008
- 2008-12-30 CN CN2008102315655A patent/CN101451785B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087766U (en) * | 1991-01-02 | 1991-10-30 | 杭州制氧机厂 | Heat exchanger for miniature air separating equipment |
| DE19747615A1 (en) * | 1997-10-28 | 1998-03-26 | Linde Ag | Start-up procedure for an air separation plant |
| CN2433516Y (en) * | 2000-07-19 | 2001-06-06 | 西安交通大学 | Double-boiling-type condensing evaporimeter |
| CN201335587Y (en) * | 2008-12-30 | 2009-10-28 | 开封黄河空分集团有限公司 | Double-layer main-condensing air separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101451785A (en) | 2009-06-10 |
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Granted publication date: 20110202 Termination date: 20141230 |
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| EXPY | Termination of patent right or utility model |